public BlogProviderButton(string blogId, string hostBlogId, string homepageUrl, string postApiUrl, string buttonId)
{
_blogId = blogId;
_hostBlogId = hostBlogId;
_homepageUrl = UrlHelper.InsureTrailingSlash(homepageUrl);
_postApiUrl = postApiUrl;
_buttonId = buttonId;
_settingsKey = BlogSettings.GetProviderButtonsSettingsKey(blogId).GetSubSettings(buttonId);
_buttonDescription = new BlogProviderButtonDescriptionFromSettings(_settingsKey);
}